KVM: nVMX: Fix returned value of MSR_IA32_VMX_VMCS_ENUM

Many real CPUs get this wrong as well, but ours is totally off: bits 9:1
define the highest index value.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index b93e2ae2bb628adc5a23f2fcd3f5bce085f92e71..a717c13b9466ded9d4e1a869fcc76ac63d676dd2 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2461,7 +2461,7 @@ static int vmx_get_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
                *pdata = -1ULL;
                break;
        case MSR_IA32_VMX_VMCS_ENUM:
-               *pdata = 0x1f;
+               *pdata = 0x2e; /* highest index: VMX_PREEMPTION_TIMER_VALUE */
                break;
        case MSR_IA32_VMX_PROCBASED_CTLS2:
                *pdata = vmx_control_msr(nested_vmx_secondary_ctls_low,